117215652 has 24 divisors (see below), whose sum is σ = 274644832. Its totient is φ = 38908800.

The previous prime is 117215647. The next prime is 117215653. The reversal of 117215652 is 256512711.

It is not an unprimeable number, because it can be changed into a prime (117215653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17374 + ... + 23157.

Almost surely, 2^117215652 is an apocalyptic number.

117215652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117215652 is an abundant number, since it is smaller than the sum of its proper divisors (157429180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117215652 is a wasteful number, since it uses less digits than its factorization.

117215652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40779 (or 40777 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 117215652 is about 10826.6177544051. The cubic root of 117215652 is about 489.3976382678.

The spelling of 117215652 in words is "one hundred seventeen million, two hundred fifteen thousand, six hundred fifty-two".